Bottle brush



FIG. 1 is a perspective view of a bottle brush;

FIG. 2 is a right side elevation view thereof, the left side being a mirror image;

FIG. 3 is a front elevation view thereof, the rear being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the bottle brush that form no part of the claimed design. 

CLAIM The ornamental design for a bottle brush, as shown and described. 